Low-Frequency Low-Reflection Bidirectional Sound Insulation Tunnel with Ultrathin Lossy Metasurfaces

Low-Frequency Low-Reflection Bidirectional Sound Insulation Tunnel with Ultrathin Lossy Metasurfaces

We report both numerical and experimental constructions of a tunnel structure with lowfrequency low-reflection bidirectional sound insulation (BSI). The designed tunnel was constructed from a pair of lossy acoustic metasurfaces (AMs), which consists of six ultrathin coiled unit cells, attached on bo...

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Bibliographic Details
Main Authors: Ge, Y. (Author), Guan, Y.-J (Author), Liu, X.-J (Author), Sun, H.-X (Author), Xu, Y.-W (Author), Yuan, S.-Q (Author)
Format: Article
Language:English
Published: MDPI 2022
Subjects:
acoustic metasurfaces
low reflection
low-frequency sound insulation
phase modulations
thermoviscous loss
Online Access:View Fulltext in Publisher

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